County page
Johnson County
Johnson County currently shows 0 Superfund sites, 115 imported facility profiles, and 35,263 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Johnson County.
The latest loaded TRI year is 2024, with 35,263 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Sunrise Village Mobile Home Pk-plant #1
Significant Violation across 12 of the last 12 quarters, with $8,000 in recorded penalties.
Timber Trails Estates Homeowner's Association
Significant Violation across 12 of the last 12 quarters, with $500 in recorded penalties.
Iowa City Mhp Llc-plant #1
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Iowa City Wastewater Treatment - South Plant
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Sleepy Hollow Campground & Rv Park
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Iowa City Regency Mobile Home Park Stp
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Lakewoods Development Subdivision/bowersox Addition Subdivision
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Modern Manor Mobile Home Court
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Loparex, Inc
No Violation Identified with $12,500 in recorded penalties.
Cottage Reserve Corporation
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Hidden Acres Subdivision
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Johnson County Ag Association
Significant noncompliance across 11 of the last 12 quarters in the imported ECHO record.
Lake Woods Hoa
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Lindsey Estates-tp02 For Well #2
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Mid River Marina
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Oak Ridge Lake Estates-plant #1
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Buckeye Terminals, Llc - Cedar Rapids
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Oxford City of Stp
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Oxford Water Treatment Plant
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Solon City of Stp
Violation Identified across 10 of the last 12 quarters in the imported ECHO record.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Toluene | Volatile organic compound | 2 | 26,974 lbs |
| Acetonitrile | TRI-listed chemical | 1 | 5,468 lbs |
| Dichloromethane | TRI-listed chemical | 1 | 1,362 lbs |
| Ethylbenzene | Volatile organic compound | 1 | 498 lbs |
| Pyridine | TRI-listed chemical | 1 | 406 lbs |
| Xylene (mixed isomers) | Volatile organic compound | 1 | 354 lbs |
| Methanol | TRI-listed chemical | 1 | 136 lbs |
| Certain glycol ethers | TRI-listed chemical | 1 | 36 lbs |
| Selenium compounds | TRI-listed chemical | 1 | 15 lbs |
| Zinc compounds | TRI-listed chemical | 2 | 15 lbs |
| Manganese compounds | TRI-listed chemical | 1 | 0 lbs |
| Diisocyanates | TRI-listed chemical | 1 | 0 lbs |
| Lead | Metals and metal compounds | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Iowa
Iowa facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Iowa
Iowa facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Iowa
Iowa facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.